# Copyright (c) 2019 ASMlover. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
#  * Redistributions of source code must retain the above copyright
#    notice, this list ofconditions and the following disclaimer.
#
#  * Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materialsprovided with the
#    distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

cmake_minimum_required(VERSION 3.14)
project(loxcc CXX)

if (NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Release)
endif()
message(STATUS "`${PROJECT_NAME}` CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")

option(TRACE_EXEC "Enable/Disable trace bytecode executation" OFF)
option(TRACE_GC "Enable/Disable trace GC" OFF)
option(NAN_TAGGING "Enable/Disable uses a NaN-tagged double" OFF)
option(COMPUTED_GOTOS "Enable/Disable uses computed gotos for VM's interpreter loop" OFF)

if (TRACE_EXEC)
  add_definitions(-DTRACE_EXEC)
endif()
if (TRACE_GC)
  add_definitions(-DTRACE_GC)
endif()
if (NAN_TAGGING)
  add_definitions(-DNAN_TAGGING)
endif()
if (COMPUTED_GOTOS)
  add_definitions(-DCOMPUTED_GOTOS)
endif()

if (CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
  add_definitions(
    /DUNICODE
    /D_UNICODE
    /D_CRT_SECURE_NO_WARNINGS
    /D_CRT_NONSTDC_NO_WARNINGS)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W3 /GF /GS /Gs /Zi /EHsc /std:c++latest")
  set(CMAKE_CXX_FLAGS_DEBUG "/D_DEBUG /MDd /Od")
  set(CMAKE_CXX_FLAGS_RELEASE "/DNDEBUG /MD /Ox")
else()
  add_definitions(
    -Wno-unused-function
    -Wno-switch)
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Werror -std=c++2a -march=native")
  set(CMAKE_CXX_FLAGS_DEBUG "-g -ggdb -O0")
  set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3")

  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
    add_definitions(
      -Wno-unused-private-field)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
  else()
    add_definitions(
      -Wno-format-truncation)
  endif()
endif()
string(TOUPPER ${CMAKE_BUILD_TYPE} BUILD_TYPE)
message(STATUS "`${PROJECT_NAME}` CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${BUILD_TYPE}}")

file(GLOB_RECURSE LOXCC_HEADERS *.hh)
file(GLOB_RECURSE LOXCC_SOURCES *.cc)
source_group("Header Files" FILES ${LOXCC_HEADERS})
source_group("Source Files" FILES ${LOXCC_SOURCES})
message(STATUS "`${PROJECT_NAME}` LOXCC_HEADERS: ${LOXCC_HEADERS}")
message(STATUS "`${PROJECT_NAME}` LOXCC_SOURCES: ${LOXCC_SOURCES}")

add_executable(${PROJECT_NAME} ${LOXCC_HEADERS} ${LOXCC_SOURCES})
